(19)

(11)

EP 0 839 208 A1

(12)

(43) Date of publication: 06.05.1998 Bulletin 1998/19 (21) Application number: 96919304.0 (22) Date of filing: 06.06.1996

(51) International Patent Classification (IPC):  A01K 67/ 027( . ) C07K 19/ 00( . ) C12N 9/ 76( . ) C12N 15/ 10( . ) C07K 16/ 18( . ) C12N 9/ 00( . ) C12N 15/ 09( . ) C12N 15/ 87( . ) (86) International application number: PCT/US1996/009827 (87) International publication number: WO 1996/040960 (19.12.1996 Gazette 1997/03)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 07.06.1995 US 19950476135 07.06.1995 US 19950505528 (60) Divisional application: 04009086.2 / 1437414 (71) Applicant: Wohlstadter, Jacob N. Gaithersburg, MD 20877 (US)	(72) Inventor: Wohlstadter, Jacob N. Gaithersburg, MD 20877 (US) (74) Representative: Schlich, George William, et al  Mathys & Squire 100 Grays Inn Road London WC1X 8AL London WC1X 8AL (GB)